#include <ptlib.h>
#include <ptlib/sound.h>
#include <ptlib/socket.h>

#include <sndio.h>

class PSoundChannelSNDIO: public PSoundChannel
{
 public:
    PSoundChannelSNDIO();
    void Construct();
    PSoundChannelSNDIO(const PString &device,
                     PSoundChannel::Directions dir,
                     unsigned numChannels,
                     unsigned sampleRate,
		     unsigned bitsPerSample);
    ~PSoundChannelSNDIO();
    static PStringArray GetDeviceNames(PSoundChannel::Directions = Player);
    static PString GetDefaultDevice(PSoundChannel::Directions);
    PBoolean Open(const PString & _device,
              Directions _dir,
              unsigned _numChannels,
              unsigned _sampleRate,
              unsigned _bitsPerSample);
    PBoolean Setup();
    PBoolean Close();
    PBoolean IsOpen() const;
    PBoolean Write(const void * buf, PINDEX len);
    PBoolean Read(void * buf, PINDEX len);
    PBoolean SetFormat(unsigned numChannels,
                   unsigned sampleRate,
                   unsigned bitsPerSample);
    unsigned GetChannels() const;
    unsigned GetSampleRate() const;
    unsigned GetSampleSize() const;
    PBoolean SetBuffers(PINDEX size, PINDEX count);
    PBoolean GetBuffers(PINDEX & size, PINDEX & count);
    PBoolean PlaySound(const PSound & sound, PBoolean wait);
    PBoolean PlayFile(const PFilePath & filename, PBoolean wait);
    PBoolean HasPlayCompleted();
    PBoolean WaitForPlayCompletion();
    PBoolean RecordSound(PSound & sound);
    PBoolean RecordFile(const PFilePath & filename);
    PBoolean StartRecording();
    PBoolean IsRecordBufferFull();
    PBoolean AreAllRecordBuffersFull();
    PBoolean WaitForRecordBufferFull();
    PBoolean WaitForAllRecordBuffersFull();
    PBoolean Abort();
    PBoolean SetVolume(unsigned newVal);
    PBoolean GetVolume(unsigned &devVol);

  protected:
    struct sio_hdl *hdl;
    struct sio_par par;
    unsigned mNumChannels;
    unsigned mSampleRate;
    unsigned mBitsPerSample;
    unsigned mFragCount;
    unsigned mFragSize;
    unsigned mBytesPerFrame;
    Directions mDirection;
    PString mDevice;
    PBoolean isInitialised;
};